Hydrofluorocarbons (HFCs), potent greenhouse gases commonly used as refrigerants, are a small but rapidly growing component of U.S. greenhouse gas emissions. Fortunately, climate-friendly substitutes exist, and some of these alternatives can even create net savings for consumers.

Tamil Nadu is a major hub for renewable energy in India, with an energy potential of 85 times its current capacity. Its clean energy future is bright, but only if it capitalizes on presented opportunities.